#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <string.h>


int my_strlen(char* arr)
{
	int count = 0;
	while (*arr)
	{
		arr++;
		count++;
	}
	return count;
}

int main()
{
	char* arr = "abcdefg123";
	int a=my_strlen(arr);
	printf("%d", a);
	
	return 0;
}



	
